Answer:
Preserve
Solar Power
Water
Dam or river
Explanation:
The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity
the answer is D
~hope i'm right
my answer personally would be advertisements
Babylon, Perseoplis, and Susa.
It's unions
Google also said it was right.
